Hard Sudoku #1164327598198

00:00
3
6
8
9
4
2
1
6
3
7
8
1
3
4
5
9
1
1
7
2
3
6
8
7
5
6
1
2
3
4
5
6
7
8
9
Erase
Undo
Notes
Hint
?
Solution
Erase